EP0154219B1 - Stereophonic sound-reproducing device for a television receiver - Google Patents
Stereophonic sound-reproducing device for a television receiver Download PDFInfo
- Publication number
- EP0154219B1 EP0154219B1 EP85101540A EP85101540A EP0154219B1 EP 0154219 B1 EP0154219 B1 EP 0154219B1 EP 85101540 A EP85101540 A EP 85101540A EP 85101540 A EP85101540 A EP 85101540A EP 0154219 B1 EP0154219 B1 EP 0154219B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- television receiver
- box
- enclosure
- partition wall
- picture tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
- H04N5/642—Disposition of sound reproducers
Definitions
- the invention relates to a device for stereophonic sound reproduction in a television receiver with a closed loudspeaker arranged inside the television receiver housing.
- Such a device is known (DE-C-3128462).
- the known device is a closed loudspeaker that can be attached to the side parts inside a television receiver housing in such a way that the membrane of the woofer loudspeaker chassis arranged in it radiates laterally and has an opening, each with an opening in the front part of the housing communicates.
- This known device has already been used on a large scale and has also proven itself. However, it initially has the disadvantage that two pieces are necessary in the manufacture of a television receiving device equipped for stereophonic sound reproduction, which on the one hand requires a higher expenditure of material and on the other hand a higher assembly effort. It is also disadvantageous that the known device with the same dimensions can only be used for one or a few device types because of the different size and arrangement of the electronic receiving circuits in different types of receiving devices from the same manufacturer or different manufacturers. The same device can only be used with other devices with different dimensions.
- the invention is therefore based on the object of providing a device for reproducing sound in a television receiver which can be used in a larger number of types of television receiver and can be installed in a simple manner.
- This object is achieved in that at least the speakers required to reproduce the lower LF frequency band and the crossovers are arranged in a single, elongated cuboid, if necessary adapted to the shape of the picture tube cone, above the picture tube in the upper half of the television receivers -Housing is attachable.
- the new device is designed in such a way that it can be accommodated in the television receiver housing in the space above the picture tube which is not used in most television receivers. It should therefore be sufficient to produce a suitable device for every type of picture tube. This is particularly economical because the number of picture tube types used is relatively small. In addition, the new device can be assembled in a simple and inexpensive manner.
- FIG. 1 shows the television receiver housing 1 in which the picture tube 2 is fastened.
- the box 3 is arranged above the picture tube 2.
- Fig. 2 illustrates that the box 3 is divided by the partition 5 into two equal volumes and in its side facing the front of the television receiver, the speakers, in the present embodiment, a tweeter and a mid-low speaker 4 are arranged.
- the switches - not shown - are also expediently arranged in the box.
- the box 3 is designed in such a way that two loudspeaker boxes which are closed on all sides are combined in a one-piece body.
- the box is designed in such a way that it can be arranged in the space above the picture tube 2.
- the box 8 is considerably flatter than the box 3.
- the box 8 is also intended to contain only the means required for the emission of the low frequencies.
- the woofer 9 is arranged on the one hand in the partition 7.
- the low-frequency loudspeaker can also be a loudspeaker with two voice coils, or two loudspeakers can also be fastened in the partition 7, to which the low-frequency signals of the two stereo channels are supplied.
- the side of the box 8 facing the front of the television receiver is provided with the opening 10 on the right and / or left (FIG. 3). Pipes 11 (FIG.
- each of these openings 10 are arranged in each of these openings 10, each of which represents a connection between the volume in the box 8 and the volume outside the television receiver housing 1.
- the operation of this arrangement is described in DE-A-3317518.
- separate loudspeakers 12 are provided for reproducing the high and medium frequencies.
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Description
Die Erfindung betrifft eine Vorrichtung zur stereophonen Tonwiedergabe in einem Fernsehempfangsgerät mit einer im Inneren des Fernsehempfangsgeräte-Gehäuses angeordneten geschlossenen Lautsprecherbox.The invention relates to a device for stereophonic sound reproduction in a television receiver with a closed loudspeaker arranged inside the television receiver housing.
Eine solche Vorrichtung ist bekannt (DE-C-3128462). Bei der bekannten Vorrichtung handelt es sich um eine an den Seitenteilen im Inneren eines Fernsehempfangsgeräte-Gehäuses derart anbringbare geschlossene Lautsprecherbox, daß die Membran des in ihr angeordneten Tiefton-Lautsprecherchassis seitlich abstrahlt und weiche eine Öffnung besitzt, die mit jeweils einer Öffnung im Frontteil des Gehäuses in Verbindung steht.Such a device is known (DE-C-3128462). The known device is a closed loudspeaker that can be attached to the side parts inside a television receiver housing in such a way that the membrane of the woofer loudspeaker chassis arranged in it radiates laterally and has an opening, each with an opening in the front part of the housing communicates.
Diese bekannte Vorrichtung ist bereits in größerem Umfang verwendet worden und hat sich auch bewährt. Sie weist jedoch zunächst den Nachteil auf, daß jeweils zwei Stück bei der Herstellung eines für die stereophone Tonwiedergabe ausgerüsteten Fernsehempfangsgerätes notwendig sind, welches einerseits einen höheren Materialaufwand und andererseits einen höheren Montageaufwand erfordert. Außerdem ist es nachteilig, daß die bekannte Vorrichtung bei gleichen Abmessungen wegen der unterschiedlichen Größe und Anordnung der elektronischen Empfangsschaltungen bei verschiedenen Empfangsgerätetypen des gleichen Herstellers oder verschiedener Hersteller nur für eine oder wenige Gerätetypen verwendbar ist. Die gleiche Vorrichtung ist bei anderen Geräten nur mit anderen Abmessungen verwendbar.This known device has already been used on a large scale and has also proven itself. However, it initially has the disadvantage that two pieces are necessary in the manufacture of a television receiving device equipped for stereophonic sound reproduction, which on the one hand requires a higher expenditure of material and on the other hand a higher assembly effort. It is also disadvantageous that the known device with the same dimensions can only be used for one or a few device types because of the different size and arrangement of the electronic receiving circuits in different types of receiving devices from the same manufacturer or different manufacturers. The same device can only be used with other devices with different dimensions.
Der Erfindung liegt daher die Aufgabe zugrunde, eine Vorrichtung zur Tonwiedergabe in einem Fernsehempfangsgerät zu schaffen, welche bei einer größeren Anzahl von Fernsehempfangsgerätetypen verwendet und in einfacher Weise montiert werden kann.The invention is therefore based on the object of providing a device for reproducing sound in a television receiver which can be used in a larger number of types of television receiver and can be installed in a simple manner.
Diese Aufgabe ist erfindungsgemäß dadurch gelöst, daß wenigstens die zur Wiedergabe des unteren NF-Frequenzbandes erforderlichen Lautsprecher und die Frequenzweichen in einem einzigen, langgestreckt quaderförmigen, erforderlichenfalls an die Form des Bildröhrenkonus angepaßten Kasten angeordnet sind, der oberhalb der Bildröhre in der oberen Hälfte des Fernsehempfangsgeräte-Gehäuses anbringbar ist.This object is achieved in that at least the speakers required to reproduce the lower LF frequency band and the crossovers are arranged in a single, elongated cuboid, if necessary adapted to the shape of the picture tube cone, above the picture tube in the upper half of the television receivers -Housing is attachable.
Die neue Vorrichtung ist derart gestaltet, daß sie im Fernsehempfangsgeräte-Gehäuse in dem bei den meisten Fernsehempfangsgeräten nicht genutzten Raum oberhalb der Bildröhre untergebracht werden kann. Es dürfte somit ausreichen, für jeden Bildröhrentyp eine passende Vorrichtung herzustellen. Dies ist besonders wirtschaftlich, weil die Anzahl der verwendeten Bildröhrentypen verhältnismäßig gering ist. Außerdem läßt sich die neue Vorrichtung in einfacher Weise und kostengünstig montieren.The new device is designed in such a way that it can be accommodated in the television receiver housing in the space above the picture tube which is not used in most television receivers. It should therefore be sufficient to produce a suitable device for every type of picture tube. This is particularly economical because the number of picture tube types used is relatively small. In addition, the new device can be assembled in a simple and inexpensive manner.
Vorteilhafte Ausgestaltungen der Erfindung sind in den Ansprüchen 2 und 3 enthalten. Sie ist nachstehend anhand von in den Figuren 1 bis 4 gezeigten Ausführungsbeispielen näher erläutert. Es zeigen:
- Fig. 1 die Draufsicht auf die offene Rückseite eines Fernsehempfangsgerätes, in dem eine Ausführungsform der erfindungsgemäßen Vorrichtung angeordnet ist,
- Fig. 2 den Schnitt durch das Fernsehempfangsgerät gemäß Fig. 1 entlang der Linie AA,
- Fig. 3 die Draufsicht auf die offene Rückseite eines Fernsehempfangsgerätes, in dem eine andere Ausführungsform der erfindungsgemäßen Vorrichtung angeordnet ist und
- Fig. 4 den Schnitt durch das Fernsehempfangsgerät gemäß Fig. 3 entlang der Linie BB.
- 1 is a top view of the open back of a television receiver in which an embodiment of the device according to the invention is arranged,
- 2 shows the section through the television receiver according to FIG. 1 along the line AA,
- Fig. 3 is a plan view of the open back of a television receiver, in which another embodiment of the device according to the invention is arranged and
- Fig. 4 shows the section through the television receiver of FIG. 3 along the line BB.
In der Fig. 1 ist das Fernsehempfangsgeräte-Gehäuse 1 zu erkennen, in dem die Bildröhre 2 befestigt ist. Oberhalb der Bildröhre 2 ist der Kasten 3 angeordnet. Fig. 2 verdeutlicht, daß der Kasten 3 durch die Trennwand 5 in zwei gleiche Volumina unterteilt ist und in seinem der Frontseite des Fernsehempfangsgerätes zugewandten Seite die Lautsprecher, im vorliegenden Ausführungsbeispiel je ein Hochtonlautsprecher und ein Mittel-Tieftonlautsprecher 4, angeordnet sind. In dem Kasten sind zweckmäßigerweise auch die - nicht gezeigten - Weichen angeordnet. Bei dem aus den Figuren 1 und 2 gezeigten Ausführungsbeispiel ist der Kasten 3 derart gestaltet, daß zwei allseitig geschlossene Lautsprecherboxen in einem einstückigen Körper vereint sind. Es ist für die Erfindung jedoch nicht wesentlich, welche Art von Lautsprecherbox entsteht, sondern daß der Kasten derart gestaltet ist, daß er in dem Raum oberhalb der Bildröhre 2 anzuordnen ist.1 shows the television receiver housing 1 in which the
Bei dem aus den Figuren 3 und 4 ersichtlichen Ausführungsbeispiel ist der Kasten 8 wesentlich flacher als der Kasten 3. Bei diesem Ausführungsbeispiel soll der Kasten 8 auch nur die zur Abstrahlung der tiefen Frequenzen erforderlichen Mittel enthalten. Dazu ist einerseits in der Trennwand 7 der Tieftonlautsprecher 9 angeordnet. Bei dem Tieftonlautsprecher kann es sich auch um einen Lautsprecher mit zwei Schwingspulen handeln, oder es können auch zwei Lautsprecher in der Trennwand 7 befestigt sein, denen die Tieftonsignale der zwei Stereokanäle zugeführt werden. Andererseits ist die der Frontseite des Fernsehempfangsgerätes zugewandte Seite des Kastens 8 rechts und/oder links mit der Öffnung 10 (Fig. 3) versehen. In diese Öffnungen 10 sind jeweils Rohre 11 (Fig. 4) angeordnet, welche jeweils eine Verbindung zwischen dem Volumen im Kasten 8 und dem Volumen außerhalb des Fernsehempfangsgeräte-Gehäuses 1 darstellen. Die Wirkungsweise dieser Anordnung ist in der DE-A-3317518 beschrieben. Zur Wiedergabe der hohen und mittleren Frequenzen sind bei diesem Ausführungsbeispiel getrennte Lautsprecher 12 vorgesehen.In the exemplary embodiment shown in FIGS. 3 and 4, the
- 1 Fernsehempfangsgeräte-Gehäuse1 television receiver housing
- 2 Bildröhre2 picture tube
- 3 Kasten3 boxes
- 4 Mittel-Tieftonlautsprecher4 mid-range speakers
- 5 Trennwand5 partition
- 6 Hochtonlautsprecher6 tweeters
- 7 Trennwand7 partition
- 8 Kasten8 boxes
- 9 Tieftonlautsprecher9 woofers
- 10 Öffnung10 opening
- 11 Rohr11 pipe
- 12 Lautsprecher12 speakers
Claims (3)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3405128 | 1984-02-14 | ||
DE19843405128 DE3405128A1 (en) | 1984-02-14 | 1984-02-14 | DEVICE FOR STEREOPHONIC SOUND PLAYBACK IN A TELEVISION RECEIVER |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0154219A1 EP0154219A1 (en) | 1985-09-11 |
EP0154219B1 true EP0154219B1 (en) | 1988-11-17 |
Family
ID=6227618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP85101540A Expired EP0154219B1 (en) | 1984-02-14 | 1985-02-13 | Stereophonic sound-reproducing device for a television receiver |
Country Status (6)
Country | Link |
---|---|
US (1) | US4646349A (en) |
EP (1) | EP0154219B1 (en) |
DE (2) | DE3405128A1 (en) |
DK (1) | DK163857C (en) |
ES (1) | ES295787Y (en) |
FI (1) | FI78806C (en) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3727098A1 (en) * | 1987-08-14 | 1989-02-23 | Electronic Werke Deutschland | Bass loudspeaker enclosure |
DE8711568U1 (en) * | 1987-08-26 | 1987-10-08 | Grundig E.M.V. Elektro-Mechanische Versuchsanstalt Max Grundig holländ. Stiftung & Co KG, 8510 Fürth | TV receiver |
US5166802A (en) * | 1987-11-25 | 1992-11-24 | Electronic-Werke Deutschland Gmbh | Television receiver with loudspeaker enclosure |
FR2631195B1 (en) * | 1988-05-06 | 1990-07-27 | Loire Electronique | SOUND SYSTEM, ESPECIALLY STEREOPHONIC FOR TELEVISIONS WITH INTEGRATED LARGE FREQUENCY LARGE SPEAKERS |
DE3819217A1 (en) * | 1988-06-06 | 1989-12-07 | Meggl Friedemann | Loudspeaker system |
US5129006A (en) * | 1989-01-06 | 1992-07-07 | Hill Amel L | Electronic audio signal amplifier and loudspeaker system |
US5005201A (en) * | 1989-02-14 | 1991-04-02 | Rca Licensing Corporation | Apparatus and method thereof for improvement of stereophonic sound |
US5210802A (en) * | 1990-04-30 | 1993-05-11 | Bose Corporation | Acoustic imaging |
DE4022370A1 (en) * | 1990-07-13 | 1992-01-16 | Nokia Unterhaltungselektronik | INTEGRATED TELEVISION SPEAKER BOX |
US5361380A (en) * | 1991-06-19 | 1994-11-01 | Daewoo Electronics Co., Ltd. | Woofer module for use in a television set |
DE9307838U1 (en) * | 1993-05-25 | 1993-07-22 | Nokia (Deutschland) GmbH, 7530 Pforzheim | TV |
JP3118363B2 (en) * | 1994-02-25 | 2000-12-18 | 株式会社ケンウッド | Speaker system |
JP3514857B2 (en) * | 1995-02-06 | 2004-03-31 | 株式会社東芝 | TV set speaker system |
KR0150698B1 (en) * | 1995-08-01 | 1998-11-02 | 구자홍 | Speaker case structure for image device |
JPH10262293A (en) * | 1997-03-19 | 1998-09-29 | Sony Corp | Acoustic device for equipment |
AU6794200A (en) * | 1999-08-16 | 2001-10-23 | American Technology Corporation | System and method for video display with electrostatic emitters |
JP2003174692A (en) | 2001-12-07 | 2003-06-20 | Sony Corp | Display device |
DE10237623A1 (en) * | 2002-08-16 | 2004-03-04 | Grundig Aktiengesellschaft I.Ins. | Speaker layout |
DE10318683A1 (en) * | 2003-04-24 | 2004-11-18 | Roland Roth | Sound and/or image reproduction device e.g. for in-car entertainment system, using frequency separation box for freqecy separation in stereo channels |
US20050047616A1 (en) * | 2003-09-03 | 2005-03-03 | Noel Lee | Flat panel monitor frame with integral speakers |
US7471804B2 (en) * | 2003-09-03 | 2008-12-30 | Monster Cable Products, Inc. | Flat panel monitor frame with integral speakers |
JP3117833U (en) * | 2005-10-21 | 2006-01-12 | 船井電機株式会社 | Panel television and LCD television |
JP5113471B2 (en) * | 2007-10-02 | 2013-01-09 | S′Next株式会社 | Speaker system |
CN110753196A (en) * | 2019-11-15 | 2020-02-04 | 北京小米移动软件有限公司 | Terminal device and audio output method |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE533333A (en) * | ||||
DE969637C (en) * | 1951-03-28 | 1958-06-26 | Siemens Elektrogeraete Gmbh | Loudspeaker arrangement for television receivers |
US2789158A (en) * | 1953-05-14 | 1957-04-16 | Zenith Radio Corp | Television cabinet with retractable speaker on top wall |
US3086078A (en) * | 1958-10-06 | 1963-04-16 | Sharma Devendra Nath | Sound reproducing systems for television, radio and the like |
BE756414A (en) * | 1970-03-02 | 1971-03-01 | Inersa Sa | PERFECTED ACOUSTIC CIRCUIT FOR ELECTRO-ACOUSTIC TRANSDUCERS |
SU388373A1 (en) * | 1970-07-06 | 1973-06-22 | Сарапульский ордена Ленина , ордена Трудового Красного Знамени радиозавод имени Серго Орджоникидзе | SPEAKER |
US3970782A (en) * | 1975-05-02 | 1976-07-20 | Quasar Electronics Corporation | Modular control panel device for audio-visual receiving apparatus |
FR2310665A1 (en) * | 1975-05-05 | 1976-12-03 | Tourey Christian | Television receiver with detachable auxiliary units - has loud speakers with sound-receiving electronics and supply battery in units |
DE3128462C2 (en) * | 1981-07-18 | 1983-07-07 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Television receiver for stereophonic sound reproduction |
DE8314251U1 (en) * | 1983-05-13 | 1985-05-09 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Loudspeaker box with integrated acoustic bandpass filter |
-
1984
- 1984-02-14 DE DE19843405128 patent/DE3405128A1/en not_active Withdrawn
-
1985
- 1985-02-11 US US06/700,378 patent/US4646349A/en not_active Expired - Fee Related
- 1985-02-12 FI FI850584A patent/FI78806C/en not_active IP Right Cessation
- 1985-02-13 ES ES1985295787U patent/ES295787Y/en not_active Expired
- 1985-02-13 EP EP85101540A patent/EP0154219B1/en not_active Expired
- 1985-02-13 DE DE8585101540T patent/DE3566341D1/en not_active Expired
- 1985-02-13 DK DK066585A patent/DK163857C/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DK163857B (en) | 1992-04-06 |
FI78806B (en) | 1989-05-31 |
EP0154219A1 (en) | 1985-09-11 |
DK66585A (en) | 1985-08-15 |
DK66585D0 (en) | 1985-02-13 |
ES295787Y (en) | 1988-01-01 |
FI850584A0 (en) | 1985-02-12 |
ES295787U (en) | 1987-07-16 |
DE3405128A1 (en) | 1985-08-22 |
DE3566341D1 (en) | 1988-12-22 |
US4646349A (en) | 1987-02-24 |
FI850584L (en) | 1985-01-15 |
FI78806C (en) | 1989-09-11 |
DK163857C (en) | 1992-08-31 |
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